oq-gem

Glossary for gem taxonomy

Authors: Luke Allen, Andrew Charleson, Svetlana Brzev, and Charles Scawthorn

This online Glossary explains around 400 terms contained in the GEM Building Taxonomy v 2.0 and nearly 700 images.

The terms have been listed in alphabetical and numerical order. Text description of each term is accompanied by illustrations (photos and/or drawings) where possible.

We welcome contributions in the form of photographs or images, illustrating glossary terms. If you have any questions you can also contact us at buildingtaxonomy@globalquakemodel.org


The exact height of the ground level above grade is clear from survey or drawings, and it does not vary more than 1m across the footprint of the building. The average height is defined to an accuracy of 0.1m.

Units: metres

Example: HFEX:0.7  (height is exactly 0.7 m)